package com.umfwechat.util.wx;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;

import com.umfwechat.wx.MyX509TrustManager;

import net.sf.json.JSONObject;

/**
 * @author Administrator
 *
 */
public class WeixinHttpClientUtils {

	 public static String POST_METHOD = "POST";
	 /** 
     * 发起https请求并获取结果 
     *  
     * @param requestUrl 请求地址 
     * @param requestMethod 请求方式（GET、POST） 
     * @param outputStr 提交的数据 
     * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值) 
     */  
    public static JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {  
        JSONObject jsonObject = null;  
        StringBuffer buffer = new StringBuffer();  
        try {  
            // 创建SSLContext对象，并使用我们指定的信任管理器初始化  
            TrustManager[] tm = { new MyX509TrustManager() };  
            SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");  
            sslContext.init(null, tm, new java.security.SecureRandom());  
            // 从上述SSLContext对象中得到SSLSocketFactory对象  
            SSLSocketFactory ssf = sslContext.getSocketFactory();  
  
            URL url = new URL(requestUrl);  
            HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection();  
            httpUrlConn.setSSLSocketFactory(ssf);  
  
            httpUrlConn.setDoOutput(true);  
            httpUrlConn.setDoInput(true);  
            httpUrlConn.setUseCaches(false);  
            // 设置请求方式（GET/POST）  
            httpUrlConn.setRequestMethod(requestMethod);  
  
            if ("GET".equalsIgnoreCase(requestMethod))  
                httpUrlConn.connect();  
  
            // 当有数据需要提交时  
            if (null != outputStr) {  
                OutputStream outputStream = httpUrlConn.getOutputStream();  
                // 注意编码格式，防止中文乱码  
                outputStream.write(outputStr.getBytes("UTF-8"));  
                outputStream.close();  
            }  
  
            // 将返回的输入流转换成字符串  
            InputStream inputStream = httpUrlConn.getInputStream();  
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");  
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);  
  
            String str = null;  
            while ((str = bufferedReader.readLine()) != null) {  
                buffer.append(str);  
            }  
            bufferedReader.close();  
            inputStreamReader.close();  
            // 释放资源  
            inputStream.close();  
            inputStream = null;  
            httpUrlConn.disconnect();  
            jsonObject = JSONObject.fromObject(buffer.toString());  
        } catch (ConnectException ce) {  
            ce.printStackTrace();
        	//log.error("Weixin server connection timed out.");  
        } catch (Exception e) {  
           // log.error("https request error:{}", e);  
            e.printStackTrace();
        }  
        return jsonObject;  
    } 
    
    /**
    * 发送https请求
    * @param requestUrl 请求地址
    * @param requestMethod 请求方式（GET、POST）
    * @param outputStr 提交的数据
    * @return 返回微信服务器响应的信息
    */
    public static String httpsRequest(String requestUrl, String requestMethod, String outputStr) {
    try {
    // 创建SSLContext对象，并使用我们指定的信任管理器初始化
    TrustManager[] tm = { new MyX509TrustManager() };
    SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
    sslContext.init(null, tm, new java.security.SecureRandom());
    // 从上述SSLContext对象中得到SSLSocketFactory对象
    SSLSocketFactory ssf = sslContext.getSocketFactory();
    URL url = new URL(requestUrl);
    HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
    conn.setSSLSocketFactory(ssf);
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setUseCaches(false);
    // 设置请求方式（GET/POST）
    conn.setRequestMethod(requestMethod);
    conn.setRequestProperty("content-type", "application/x-www-form-urlencoded");
    // 当outputStr不为null时向输出流写数据
    if (null != outputStr) {
    OutputStream outputStream = conn.getOutputStream();
    // 注意编码格式
    outputStream.write(outputStr.getBytes("UTF-8"));
    outputStream.close();
    }
    // 从输入流读取返回内容
    InputStream inputStream = conn.getInputStream();
    InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
    BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
    String str = null;
    StringBuffer buffer = new StringBuffer();
    while ((str = bufferedReader.readLine()) != null) {
    buffer.append(str);
    }
    // 释放资源
    bufferedReader.close();
    inputStreamReader.close();
    inputStream.close();
    inputStream = null;
    conn.disconnect();
    return buffer.toString();
    } catch (ConnectException ce) {
    //log.error("连接超时：{}", ce);
    } catch (Exception e) {
    //log.error("https请求异常：{}", e);
    }
    return null;
    }
    
	
}
